Use the Following to Answer Questions

question 20

Multiple Choice

Use the following to answer questions:
Select the word or phrase from the Terms section that best matches the definition or example provided in the Definitions section.
Terms
-Ruler of Kush (r. 752 to 721 B·C·E·.) who conquered Egypt and reunited it under his rule.

• A)Meroë
• B)Piye
• C)Axum
• D)Niger Valley civilization
• E)Maya civilization
• F)Teotihuacán
• G)Chavín
• H)Moche
• I)Wari and Tiwanaku
• J)Bantu expansion
• K)Chaco Phenomenon
• L)Mound Builders
• M)Cahokia
• N)Pohnpei
• O)Tonga
• P)mana and tapu
• Q)Yap

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Definitions:

Cyclic AMP

Cyclic AMP (cAMP) is a second messenger important in many biological processes, including the regulation of metabolism, gene transcription, and cell signaling.

Nucleotide

The basic building block of nucleic acids, such as DNA and RNA, consisting of a sugar, phosphate group, and nitrogenous base.

Purines

Nitrogenous bases with carbon and nitrogen atoms in two attached rings (e.g., adenine and guanine); components of nucleic acids, ATP, GTP, NAD1, and certain other biologically active substances. Compare with pyrimidines.

Pyrimidines

A class of nitrogenous bases found in nucleic acids, including cytosine, thymine (in DNA), and uracil (in RNA).